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Chemistry · 2017
JEE Main 2017 · 2017-04-02 Offline · Q45
The group having isoelectronic species is:
The group having isoelectronic species is :
Official answer
(3)
$\displaystyle \mathrm{O}^{2-}, \mathrm{F}^{-}, \mathrm{Na}^{+}, \mathrm{Mg}^{2+}$
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JEE Main 2017 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.